[Bug target/72853] gcc/testsuite/gcc.c-torture/execute/20021120-1.c generates incorrect stxssp op with -mcpu=power9

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72853

--- Comment #7 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Wed Aug 10 18:15:37 2016
New Revision: 239331

URL: https://gcc.gnu.org/viewcvs?rev=239331&root=gcc&view=rev
Log:
Backport from mainline:

[gcc]
2016-08-10  Michael Meissner  <meiss...@linux.vnet.ibm.com>

        PR target/72853
        * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
        being an offsettable address.

[gcc/testsuite]
2016-08-10  Michael Meissner  <meiss...@linux.vnet.ibm.com>

        PR target/72853
        * gcc.target/powerpc/pr72853.c: New test.


Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/powerpc/pr72853.c
      - copied unchanged from r239330,
trunk/gcc/testsuite/gcc.target/powerpc/pr72853.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/rs6000/rs6000.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog