[PATCH 2/4][AArch64] Increase the loop peeling limit

Evandro Menezes e.menezes@samsung.com
Thu Nov 19 22:04:00 GMT 2015


On 11/05/2015 02:51 PM, Evandro Menezes wrote:
> 2015-11-05  Evandro Menezes <e.menezes@samsung.com>
>
>    gcc/
>
>        * config/aarch64/aarch64.c (aarch64_override_options_internal):
>        Increase loop peeling limit.
>
> This patch increases the limit for the number of peeled insns. With 
> this change, I noticed no major regression in either Geekbench v3 or 
> SPEC CPU2000 while some benchmarks, typically FP ones, improved 
> significantly.
>
> I tested this tuning on Exynos M1 and on A57.  ThunderX seems to 
> benefit from this tuning too.  However, I'd appreciate comments from 
> other stakeholders.

Ping.

-- 
Evandro Menezes



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