On 01/05/15 14:07, Wilco Dijkstra wrote:
Marcus Shawcroft wrote:
On 5 March 2015 at 14:49, Wilco Dijkstra wrote:
This patch fixes the shift costs for Cortex-A53 so they are more accurate -
immediate shifts
use
SBFM/UBFM which takes 2 cycles, register controlled shifts take 1 cycle.
Bootstr
> Marcus Shawcroft wrote:
> On 5 March 2015 at 14:49, Wilco Dijkstra wrote:
> > This patch fixes the shift costs for Cortex-A53 so they are more accurate -
> > immediate shifts
> use
> > SBFM/UBFM which takes 2 cycles, register controlled shifts take 1 cycle.
> > Bootstrap and
> regression
> > O
ping
> -Original Message-
> From: Wilco Dijkstra [mailto:wdijk...@arm.com]
> Sent: 05 March 2015 14:49
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH][AArch64] Fix Cortex-A53 shift costs
>
> This patch fixes the shift costs for Cortex-A53 so they are more accurate
This patch fixes the shift costs for Cortex-A53 so they are more accurate -
immediate shifts use
SBFM/UBFM which takes 2 cycles, register controlled shifts take 1 cycle.
Bootstrap and regression
OK.
ChangeLog:
2015-03-05 Wilco Dijkstra
* gcc/config/arm/aarch-cost-tables.h (cortexa53
