This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PING][PATCH v3] Disable reg offset in quad-word store for Falkor
- From: Siddhesh Poyarekar <siddhesh at sourceware dot org>
- To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>
- Date: Fri, 16 Feb 2018 10:12:06 +0530
- Subject: Re: [PING][PATCH v3] Disable reg offset in quad-word store for Falkor
- Authentication-results: sourceware.org; auth=none
- References: <DB6PR0801MB2053F6AA7C6387E4EDC92B8F83F40@DB6PR0801MB2053.eurprd08.prod.outlook.com>
- Reply-to: siddhesh at sourceware dot org
On Thursday 15 February 2018 07:50 PM, Wilco Dijkstra wrote:
> So it seems to me using existing cost mechanisms is always preferable, even if you
> currently can't differentiate between loads and stores.
Luis is working on address cost adjustments among other things, so I
guess the path of least resistance for gcc8 is to have those adjustments
go in and then figure out how much improvement this patch (or separating
loads and stores) would get on top of that. Would that be acceptable?
Siddhesh