[Bug tree-optimization/61576] [4.10 Regression] wrong code at -O3 on x86_64-linux-gnu

[kyukhin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61576

--- Comment #6 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Author: kyukhin
Date: Tue Jul  8 07:52:12 2014
New Revision: 212347

URL: https://gcc.gnu.org/viewcvs?rev=212347&root=gcc&view=rev
Log:
PR tree-optimization/61576

gcc/
    * tree-if-conv.c (is_cond_scalar_reduction): Add check that
    basic block containing reduction statement is predecessor
    of phi basi block.

gcc/testsuite/
    * gcc.dg/torture/pr61576.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr61576.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c