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.
From-SVN: r64519