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Message-ID: <51080B47.6090904@arm.com>
Date: Tue, 29 Jan 2013 17:48:00 -0000
From: Ramana Radhakrishnan <ramrad01@arm.com>
Reply-To: ramrad01@arm.com
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To: Greta Yorsh <Greta.Yorsh@arm.com>
CC: GCC Patches <gcc-patches@gcc.gnu.org>,  Richard Earnshaw <Richard.Earnshaw@arm.com>, "nickc@redhat.com" <nickc@redhat.com>,  "paul@codesourcery.com" <paul@codesourcery.com>
Subject: Re: [PATCH,ARM][4/5] Fix calls in cortex-a7 pipeline description
References: <000401cdfb27$da2f1f30$8e8d5d90$@yorsh@arm.com> <001601cdfb29$38714270$a953c750$@yorsh@arm.com>
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On 01/25/13 18:24, Greta Yorsh wrote:
> Improve handling of call insns in cortex-a7 pipeline description, as
> follows.
>
> A call can dual-issue as a younger instruction but not as an older
> instruction (from compiler's point of view). This patch adjusts the funct=
ion
> cortexa7_younger (used by the implementation of TARGET_SCHED_REORDER hook)
> to return true for calls. The patch also updates the pipeline description
> for calls to allow either dual-issue as a younger instruction or
> single-issue.
>
> gcc/
>
> 2013-01-03  Greta Yorsh  <Greta.Yorsh@arm.com>
>
>          * config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
>          * config/arm/cortex-a7.md (cortex_a7_call): Update required unit=
s.
>


Ok.

Ramana