[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 #5 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed Jan 31 21:37:54 2018
New Revision: 257270

URL: https://gcc.gnu.org/viewcvs?rev=257270&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:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c