r228623 - in /branches/ibm/gcc-5-branch/gcc: co...

[boger@gcc.gnu.org]

Author: boger
Date: Thu Oct  8 19:21:45 2015
New Revision: 228623

URL: https://gcc.gnu.org/viewcvs?rev=228623&root=gcc&view=rev
Log:
        Backport of rev 228311

        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:
    branches/ibm/gcc-5-branch/gcc/config.in
    branches/ibm/gcc-5-branch/gcc/config/rs6000/linux64.h
    branches/ibm/gcc-5-branch/gcc/config/rs6000/sysv4.h
    branches/ibm/gcc-5-branch/gcc/configure
    branches/ibm/gcc-5-branch/gcc/configure.ac
    branches/ibm/gcc-5-branch/gcc/gcc.c
    branches/ibm/gcc-5-branch/gcc/go/gospec.c