[Bug target/43871] -mcpu=power4 -mtune=cell emits power7/cell-only opcodes

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43871

--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Thu Dec  7 09:36:28 2017
New Revision: 255464

URL: https://gcc.gnu.org/viewcvs?rev=255464&root=gcc&view=rev
Log:
rs6000: Initialise rs6000_cpu correctly (PR43871)

Finally, set rs6000_cpu based not on -mtune=, but only -mcpu= and the
defaults.


        PR target/43871
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Set
        rs6000_cpu to the given -mcpu=, or to the default processor.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c