[Bug target/88282] [9 Regression] ICE in df_install_refs at gcc/df-scan.c:2379

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88282

--- Comment #9 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Dec  6 18:41:46 2018
New Revision: 266862

URL: https://gcc.gnu.org/viewcvs?rev=266862&root=gcc&view=rev
Log:
2018-12-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/88282
        * ira.c (ira_init_register_move_cost): Use info from
        hard_regno_mode_ok instead of contains_reg_of_mode.
        * ira-costs.c (contains_reg_of_mode): Don't use cost from bigger
        hard register class for some fixed hard registers.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c
    trunk/gcc/ira.c