[Bug middle-end/58418] [4.9 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu (in 32-bit mode)

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58418

--- Comment #2 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Mon Sep 16 15:12:22 2013
New Revision: 202630

URL: http://gcc.gnu.org/viewcvs?rev=202630&root=gcc&view=rev
Log:
2013-09-16  Vladimir Makarov  <vmakarov@redhat.com>

    PR middle-end/58418
    * lra-constraints.c (undo_optional_reloads): Consider all optional
    reload even if it did not get a hard reg.

2013-09-16  Vladimir Makarov  <vmakarov@redhat.com>

    * gcc.target/i386/pr58418.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr58418.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog