https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62178

--- Comment #9 from Yvan Roux <yroux at gcc dot gnu.org> ---
Author: yroux
Date: Thu Apr  2 06:45:24 2015
New Revision: 221820

URL: https://gcc.gnu.org/viewcvs?rev=221820&root=gcc&view=rev
Log:
gcc/
2015-04.02  Yvan Roux  <yvan.r...@linaro.org>

    Backport from trunk r218855.
    2014-12-18  Bin Cheng  <bin.ch...@arm.com>

    PR tree-optimization/62178
    * tree-ssa-loop-ivopts.c (cheaper_cost_with_cand): New function.
    (iv_ca_replace): New function.
    (try_improve_iv_set): New parameter try_replace_p.
    Break local optimal fixed-point by calling iv_ca_replace.
    (find_optimal_iv_set_1): Pass new argument to try_improve_iv_set.

gcc/testsuite/
2015-04:02  Yvan Roux  <yvan.r...@linaro.org>

    Backport from trunk r218855.
    2014-12-18  Bin Cheng  <bin.ch...@arm.com>

    PR tree-optimization/62178
    * gcc.target/aarch64/pr62178.c: New test.


Added:
    branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/pr62178.c
Modified:
    branches/linaro/gcc-4_9-branch/gcc/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/testsuite/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/tree-ssa-loop-ivopts.c

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