[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389

--- Comment #7 from uros at gcc dot gnu.org ---
Author: uros
Date: Sun Jun  5 22:55:35 2016
New Revision: 237111

URL: https://gcc.gnu.org/viewcvs?rev=237111&root=gcc&view=rev
Log:
        PR target/71389
        * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
        Copy op1 RTX to avoid invalid sharing.
        (ix86_expand_vector_move_misalign): Ditto.

testsuite/ChangeLog:

        PR target/71389
        * g++.dg/pr71389.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/pr71389.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog