[Bug rtl-optimization/67037] [4.9/5/6 Regression] Wrong code at -O1 and above on ARM

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67037

--- Comment #6 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Wed Sep 30 18:51:31 2015
New Revision: 228303

URL: https://gcc.gnu.org/viewcvs?rev=228303&root=gcc&view=rev
Log:
2015-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/67037
        * lra-constraints.c (process_addr_reg): Use copy_rtx when necessary.

testsuite:
2015-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/67037
        * gcc.c-torture/execute/pr67037.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr67037.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog