* config/rs6000/linux64.h (MASK_PROFILE_KERNEL): Define.

	* config/rs6000/linux64.h (MASK_PROFILE_KERNEL): Define.
	(TARGET_PROFILE_KERNEL): Define.
	(SUBTARGET_SWITCHES): Handle -mprofile-kernel.
	(PROFILE_BEFORE_PROLOGUE): Don't define.
	(PROFILE_KERNEL): Remove hacks.
	* config/rs6000/rs6000.c (TARGET_PROFILE_KERNEL): Define default.
	(rs6000_stack_info): No need to save lr if just for profiling when
	TARGET_KERNEL_PROFILE.
	(output_profile_hook): Output nothing when TARGET_KERNEL_PROFILE.
	(output_function_profiler): Localize label generation.  Emit code
	for kernel profiling.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64519 138bc75d-0d04-0410-961f-82ee72b054a4