[Bug rtl-optimization/78638] [7 regression] test cases gcc.target/powerpc/rlwimi-0.c and rlwimi-2.c fail starting with r243000

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78638

--- Comment #6 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Thu Dec  8 00:09:01 2016
New Revision: 243420

URL: https://gcc.gnu.org/viewcvs?rev=243420&root=gcc&view=rev
Log:
simplify-rtx: Fix the last fix (PR78638)

I managed to get the last obvious fix wrong: mode is M1, GET_MODE (op)
is M2.

[ adding missing PR marker ]


        PR rtl-optimization/78638
        * simplify-rtx.c (simplify_truncation): M2 is not mode, it is
        GET_MODE (op).  Fix this.

Modified:
    trunk/gcc/ChangeLog