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

[ian at gcc dot gnu.org]

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

--- Comment #23 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> ---
Author: ian
Date: Wed Sep 30 23:06:11 2015
New Revision: 228311

URL: https://gcc.gnu.org/viewcvs?rev=228311&root=gcc&view=rev
Log:
        PR target/66870
        * config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
        * configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
        based on gold linker version.
        * gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
        HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
        * configure, config.in: Regenerate.
go:
        * gospec.c (lang_specific_driver): Set appropriate split stack
        options for 64 bit compiles based on TARGET_CAN_SPLIT_STACK_64BIT.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config.in
    trunk/gcc/config/rs6000/sysv4.h
    trunk/gcc/configure
    trunk/gcc/configure.ac
    trunk/gcc/gcc.c
    trunk/gcc/go/ChangeLog
    trunk/gcc/go/gospec.c