On Mon, Jul 14, 2014 at 6:12 AM, Maxim Kuvyrkov wrote:
> Hi,
>
> This patch fixes 2 of the [several] problems in rank_for_schedule heuristics
> for SCHED_PRESSURE_MODEL. SCHED_PRESSURE_MODEL is used for first scheduling
> pass in ARM backend by default.
>
> The first one is when INSN_TICK of both instructions are equal, and
> rank_for_schedule returns a "tie" result, even though there are more
> heuristics down the path to break the tie.
>
> The second one is to account for the fact that model_index() of two
> instructions is meaningful only when both instructions are in the current
> basic block.
>
> Bootstrapped and tested on {x86_64,arm,aarch64}-linux.
>
> OK to apply?
s/INSN_BB/BLOCK_FOR_INSN/
OK with that change.
Ciao!
Steven
