[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275

--- Comment #7 from uros at gcc dot gnu.org 2013-02-11 17:30:06 UTC ---
Author: uros
Date: Mon Feb 11 17:29:53 2013
New Revision: 195947

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195947
Log:
    Backport from mainline
    2013-02-11  Uros Bizjak  <ubizjak@gmail.com>

    PR rtl-optimization/56275
    * simplify-rtx.c (avoid_constant_pool_reference): Check that
    offset is non-negative and less than cmode size before
    calling simplify_subreg.

testsuite/ChangeLog

    Backport from mainline
    2013-02-11  Uros Bizjak  <ubizjak@gmail.com>

    PR rtl-optimization/56275
    * gcc.dg/pr56275.c: New test.


Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr56275.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/simplify-rtx.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog