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Re: [PATCH,ARM][2/5] Update cortex-a7 vfp/neon pipeline description

From: Ramana Radhakrishnan <ramrad01 at arm dot com>
To: Greta Yorsh <Greta dot Yorsh at arm dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, "nickc at redhat dot com" <nickc at redhat dot com>, "paul at codesourcery dot com" <paul at codesourcery dot com>
Date: Tue, 29 Jan 2013 17:47:00 +0000
Subject: Re: [PATCH,ARM][2/5] Update cortex-a7 vfp/neon pipeline description
References: <000401cdfb27$da2f1f30$8e8d5d90$@yorsh@arm.com> <000e01cdfb28$f79f0570$e6dd1050$@yorsh@arm.com>
Reply-to: ramrad01 at arm dot com

On 01/25/13 18:22, Greta Yorsh wrote:

This patch updates the description of vmul, vdiv, vsqrt, vmla,vmls, vfma,
vfms operations for vfp and neon. It uses ffmas and ffmad type attribute
introduced by the previous patch.

gcc/

2013-01-03 Greta Yorsh <Greta.Yorsh@arm.com>

         * config/arm/cortex-a7.md (cortex_a7_neon_mul, cortex_a7_neon_mla):
New
         reservations.
         (cortex_a7_fpfmad): New reservation.
         (cortex_a7_fpmacs): Use ffmas and update required units.
         (cortex_a7_fpmuld): Update required units and latency.
         (cortex_a7_fpmacd): Likewise.
         (cortex_a7_fdivs, cortex_a7_fdivd): Likewise.
         (cortex_a7_neon). Likewise.
         (bypass) Update participating units.

Ok as it only touches Cortex-A7 tuning .

Ramana

References:
- [PATCH,ARM][0/5] Updates to cortex-a7 pipeline description
  - From: Greta Yorsh
- [PATCH,ARM][2/5] Update cortex-a7 vfp/neon pipeline description
  - From: Greta Yorsh

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