[Bug rtl-optimization/59915] [4.9 Regression] LRA ICE - Repeated looping over subreg reloads (gcc.c-torture/compile/simd-3.c)

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59915

--- Comment #2 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Jan 23 20:06:28 2014
New Revision: 207007

URL: http://gcc.gnu.org/viewcvs?rev=207007&root=gcc&view=rev
Log:
2014-01-23  Vladimir Makarov  <vmakarov@redhat.com>

    PR regression/59915
    * lra-constraints.c (simplify_operand_subreg): Spill pseudo if
    there is a danger of looping.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c