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Re: [PATCH][ARM/AArch64] Add scheduling info for ARMv8-A FPU new instructions in Cortex-A53
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Kyrill Tkachov <kyrylo dot tkachov at arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>, Ramana Radhakrishnan <ramana dot radhakrishnan at arm dot com>
- Date: Wed, 3 Sep 2014 08:44:59 +0100
- Subject: Re: [PATCH][ARM/AArch64] Add scheduling info for ARMv8-A FPU new instructions in Cortex-A53
- Authentication-results: sourceware.org; auth=none
- References: <53F71D2A dot 1030603 at arm dot com>
On 22 August 2014 11:36, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
> Hi all,
>
> The Cortex-A53 scheduler description is missing rules for insn types used by
> instructions such as vrint*, vmaxnm, vminnm causing them to be assigned to
> the "nothing" unit.
>
> This patch causes such instructions to be treated the same way as other
> simple FPU instructions.
>
> Bootstrapped and tested on aarch64-linux and tested on arm-none-eabi as
> well.
>
> Ok for trunk?
Looks good to me. /Marcus