* config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
(TARGET_OS_AIX_CPP_BUILTINS): this. Conditionally define
__LONGDOUBLE128.
* config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
TARGET_OS_AIX_CPP_BUILTINS.
* config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
* config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
* config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
previous change.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79274 138bc75d-0d04-0410-961f-82ee72b054a4