[Bug rtl-optimization/61047] [4.9/5/6 Regression] wrong code at -O1 on x86_64-linux

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61047

--- Comment #26 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Wed Jul  1 16:10:30 2015
New Revision: 225260

URL: https://gcc.gnu.org/viewcvs?rev=225260&root=gcc&view=rev
Log:
gcc/ChangeLog:
2015-07-01  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR rtl-optimization/61047
        * rtlanal.c (get_initial_register_offset): New function.
        (rtx_addr_can_trap_p_1): Check offsets of stack references.

testsuite/ChangeLog:
2015-07-01  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR rtl-optimization/61047
        * gcc.c-torture/execute/20150611-1.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20150611-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c
    trunk/gcc/testsuite/ChangeLog