[Bug rtl-optimization/71779] [5/6/7 regression] isl miscompiled with -mabi=ilp32

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71779

--- Comment #21 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Thu Aug  4 13:23:36 2016
New Revision: 239123

URL: https://gcc.gnu.org/viewcvs?rev=239123&root=gcc&view=rev
Log:
016-08-04  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR rtl-optimization/71779
        * emit-rtl.c (set_reg_attrs_from_value): Only propagate REG_POINTER,
        if the value was sign-extended according to POINTERS_EXTEND_UNSIGNED
        or if it was truncated.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c