PowerPC64 -mprofile-kernel

[David Edelsohn]

On Tue, Mar 16, 2010 at 7:40 PM, Alan Modra <amodra@gmail.com> wrote:
> The 2009-06-23 change that moved -mprofile-kernel switch from a mask
> to a variable killed this option, due to TARGET_PROFILE_KERNEL being
> defined to 0 in rs6000.c.  This patch cures the regression.
> Bootstrapped and regression tested powerpc-linux and powerpc64-linux.
> OK to apply?
>
>        * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
>        * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
>        (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
>        * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.

This generally is okay.  We mostly have tried to use target-specific
names for variables to avoid conflicts, like aix_XXX or rs6000_XXX.
profile_kernel probably is unlikely to conflict with anything in the
future.

Thanks, David