[Bug rtl-optimization/84123] internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:908, alpha linux.

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84123

--- Comment #6 from uros at gcc dot gnu.org ---
Author: uros
Date: Thu Feb  1 22:22:03 2018
New Revision: 257318

URL: https://gcc.gnu.org/viewcvs?rev=257318&root=gcc&view=rev
Log:
        PR rtl-optimization/84123
        * combine.c (change_zero_ext): Check if hard register satisfies
        can_change_dest_mode before calling gen_lowpart_SUBREG.


Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/combine.c