[Bug rtl-optimization/77541] [7 Regression] wrong code with 512bit vectors of int128 @ -O1

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77541

--- Comment #5 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Nov 24 19:54:27 2016
New Revision: 242848

URL: https://gcc.gnu.org/viewcvs?rev=242848&root=gcc&view=rev
Log:
2016-11-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/77541
        * lra-constraints.c (struct input_reload): Add field match_p.
        (get_reload_reg): Check modes of input reloads to generate unique
        value reload pseudo.
        (match_reload): Add input reload pseudo for the current insn.

2016-11-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/77541
        * gcc.target/i386/pr77541.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr77541.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog