[Bug go/66870] split stack issues on ppc64le and ppc64

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66870

--- Comment #16 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Fri Jul 31 14:05:42 2015
New Revision: 226443

URL: https://gcc.gnu.org/viewcvs?rev=226443&root=gcc&view=rev
Log:
        PR target/66870
        * config/rs6000/rs6000.c (machine_function): Add split_stack_argp_used.
        (rs6000_emit_prologue): Set it.
        (rs6000_set_up_by_prologue): Specify r12 when split_stack_argp_used.


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