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Re: [PATCH 5/6] haifa-sched.c: give up qsort checking when autoprefetch heuristic is in use
- From: Jeff Law <law at redhat dot com>
- To: Alexander Monakov <amonakov at ispras dot ru>, gcc-patches at gcc dot gnu dot org
- Date: Mon, 31 Jul 2017 11:44:11 -0600
- Subject: Re: [PATCH 5/6] haifa-sched.c: give up qsort checking when autoprefetch heuristic is in use
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On 07/15/2017 02:47 PM, Alexander Monakov wrote:
> The autopref_rank_for_schedule sub-comparator and its subroutine
> autopref_rank_data lack transitivity. Skip checking if they are in use.
>
> This heuristic is disabled by default everywhere except ARM and AArch64,
> so on other targets this does not suppress checking all the time.
>
> * haifa-sched.c (ready_sort_real): Disable qsort checking if
> autoprefetch heuristic will be used.
> (autopref_rank_for_schedule): Add FIXME.
This is also OK once the final patch for consistency checking is approved.
jeff