Re: [PATCH 1/3] r600: add span support for 2D tiling

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Subject: Re: [PATCH 1/3] r600: add span support for 2D tiling
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 27 May 2010 23:36:53 +0100
Cc: "dri-devel@xxxxxxxxxxxxxxxxxxxxx" <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
Delivered-to: dri-devel@xxxxxxxxxxxxxxxxxxxxx
In-reply-to: <AANLkTikcjp3YRvLFwjUHx0JOT87WCx1bUJAEalLjV1BN@xxxxxxxxxxxxxx>
References: <1274829174-17491-1-git-send-email-alexdeucher@xxxxxxxxx> <1274829174-17491-2-git-send-email-alexdeucher@xxxxxxxxx> <AANLkTinbrfCj5pK1HkEd1_f-8rBqkwXr24mklJQ2tu7-@xxxxxxxxxxxxxx> <AANLkTinVphE2dBCOXJIC-5Tr55SgRNHgFinYQe4BAjE5@xxxxxxxxxxxxxx> <4BFE950F.3090208@xxxxxxxxxx> <AANLkTikcjp3YRvLFwjUHx0JOT87WCx1bUJAEalLjV1BN@xxxxxxxxxxxxxx>

> Note if it is known that x and y are less than or equal to 7 it can be
> done in 11 operations.

And bsr is one instruction for x86, cntlzw for ppc

Alan
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References:
- [PATCH 0/3] Add r6xx/r7xx tiling support to mesa
  - From: Alex Deucher
- [PATCH 1/3] r600: add span support for 2D tiling
  - From: Alex Deucher
- Re: [PATCH 1/3] r600: add span support for 2D tiling
  - From: Matt Turner
- Re: [PATCH 1/3] r600: add span support for 2D tiling
  - From: Alex Deucher
- Re: [PATCH 1/3] r600: add span support for 2D tiling
  - From: Brian Paul
- Re: [PATCH 1/3] r600: add span support for 2D tiling
  - From: Conn Clark

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