[Bug target/65768] sub-optimimal code for constant Uses in loop

[kugan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65768

--- Comment #3 from kugan at gcc dot gnu.org ---
Author: kugan
Date: Tue Jun  2 22:53:15 2015
New Revision: 224048

URL: https://gcc.gnu.org/viewcvs?rev=224048&root=gcc&view=rev
Log:
gcc/ChangeLog:

2015-06-03  Kugan Vivekanandarajah  <kug...@linaro.org>
            Zhenqiang Chen  <zhenqiang.c...@linaro.org>

        PR target/65768
        * cprop.c (try_replace_reg): Check cost of constants before
propagating.


gcc/testsuite/ChangeLog:

2015-06-03  Kugan Vivekanandarajah  <kug...@linaro.org>

        PR target/65768
        * gcc.target/arm/maskdata.c: Remove -fno-gcse.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cprop.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/arm/maskdata.c