[Bug rtl-optimization/78671] [7 Regression] ICE: in extract_constrain_insn, at recog.c:2213 with -Og -march=skylake-avx512

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78671

--- Comment #5 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Dec  8 21:14:42 2016
New Revision: 243462

URL: https://gcc.gnu.org/viewcvs?rev=243462&root=gcc&view=rev
Log:
2016-12-08  Vladimir Makarov  <vmaka...@redhat.com>

        PR rtl-optimization/78671
        * lra-assign.c (lra-assigns.c): Check prohibited regs for an
        allocno class.

2016-12-08  Vladimir Makarov  <vmaka...@redhat.com>

        PR rtl-optimization/78671
        * gcc.target/i386/pr78671.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr78671.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-assigns.c
    trunk/gcc/testsuite/ChangeLog