RFA: register pending barrier patch

[Richard Henderson]

On Sun, Apr 06, 2003 at 08:19:01PM -0400, Vladimir N. Makarov wrote:
>         * sched-deps.c (reg_pending_barrier_mode): New enumeration.
>         (reg_pending_barrier): Make it of the enumeration type.
>         (sched_analyze_2): Define the barrier as MOVE_BARRIER or
>         TRUE_BARRIER.
>         (sched_analyze): Ditto.
>         (sched_analyze_insn): Ditto.  Use anti-dependencies for
>         MOVE_BARRIER and true-dependencies as TRUE_BARRIER.
>         (init_deps_global): Initialize the barrier as NO_BARRIER.

Ok.


r~