[Bug target/70381] On powerpc, -mfloat128 is on by default for all VSX systems

["meissner at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70381

--- Comment #6 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Fri Apr  8 21:53:48 2016
New Revision: 234843

URL: https://gcc.gnu.org/viewcvs?rev=234843&root=gcc&view=rev
Log:
Merge in __float128 complex support; Merge in PR 70381 fix

Added:
    branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-1.c  
(props changed)
      - copied unchanged from r234838,
branches/ibm/ieee/gcc/testsuite/gcc.target/powerpc/float128-1.c
    branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-2.c  
(props changed)
      - copied unchanged from r234838,
branches/ibm/ieee/gcc/testsuite/gcc.target/powerpc/float128-2.c
    branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-complex-1.c
  (props changed)
      - copied unchanged from r234838,
branches/ibm/ieee/gcc/testsuite/gcc.target/powerpc/float128-complex-1.c
    branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-complex-2.c
  (props changed)
      - copied unchanged from r234838,
branches/ibm/ieee/gcc/testsuite/gcc.target/powerpc/float128-complex-2.c
Modified:
    branches/ibm/pre-gcc7/gcc/ChangeLog.ibm
    branches/ibm/pre-gcc7/gcc/config/rs6000/rs6000.c
    branches/ibm/pre-gcc7/gcc/config/rs6000/rs6000.h
    branches/ibm/pre-gcc7/gcc/doc/extend.texi
    branches/ibm/pre-gcc7/gcc/genmodes.c
    branches/ibm/pre-gcc7/gcc/machmode.h
    branches/ibm/pre-gcc7/gcc/stor-layout.c
    branches/ibm/pre-gcc7/gcc/testsuite/ChangeLog.ibm
    branches/ibm/pre-gcc7/gcc/testsuite/lib/target-supports.exp
    branches/ibm/pre-gcc7/gcc/tree.c
    branches/ibm/pre-gcc7/libgcc/ChangeLog.ibm
    branches/ibm/pre-gcc7/libgcc/configure
    branches/ibm/pre-gcc7/libgcc/configure.ac

Propchange: branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-1.c
            ('svn:mergeinfo' added)

Propchange: branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-2.c
            ('svn:mergeinfo' added)

Propchange:
branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-complex-1.c
            ('svn:mergeinfo' added)

Propchange:
branches/ibm/pre-gcc7/gcc/testsuite/gcc.target/powerpc/float128-complex-2.c
            ('svn:mergeinfo' added)