Re: [Mesa-dev] [PATCH 3/4] r600: use ieee version of rcp

2017-11-09 Thread Roland Scheidegger
Am 09.11.2017 um 18:58 schrieb Roland Scheidegger: > Am 09.11.2017 um 18:27 schrieb Jan Vesely: >> On Thu, 2017-11-09 at 03:58 +0100, srol...@vmware.com wrote: >>> From: Roland Scheidegger >>> >>> r600 used the clamped version for rcp, whereas both evergreen and cayman >>> used the ieee version. I

Re: [Mesa-dev] [PATCH 3/4] r600: use ieee version of rcp

2017-11-09 Thread Roland Scheidegger
Am 09.11.2017 um 18:27 schrieb Jan Vesely: > On Thu, 2017-11-09 at 03:58 +0100, srol...@vmware.com wrote: >> From: Roland Scheidegger >> >> r600 used the clamped version for rcp, whereas both evergreen and cayman >> used the ieee version. I don't know why that discrepancy exists (it does so >> sin

Re: [Mesa-dev] [PATCH 3/4] r600: use ieee version of rcp

2017-11-09 Thread Ilia Mirkin
On Thu, Nov 9, 2017 at 12:27 PM, Jan Vesely wrote: > On Thu, 2017-11-09 at 03:58 +0100, srol...@vmware.com wrote: >> From: Roland Scheidegger >> >> r600 used the clamped version for rcp, whereas both evergreen and cayman >> used the ieee version. I don't know why that discrepancy exists (it does

Re: [Mesa-dev] [PATCH 3/4] r600: use ieee version of rcp

2017-11-09 Thread Jan Vesely
On Thu, 2017-11-09 at 03:58 +0100, srol...@vmware.com wrote: > From: Roland Scheidegger > > r600 used the clamped version for rcp, whereas both evergreen and cayman > used the ieee version. I don't know why that discrepancy exists (it does so > since day 1) but there does not seem to be a valid r

[Mesa-dev] [PATCH 3/4] r600: use ieee version of rcp

2017-11-08 Thread sroland
From: Roland Scheidegger r600 used the clamped version for rcp, whereas both evergreen and cayman used the ieee version. I don't know why that discrepancy exists (it does so since day 1) but there does not seem to be a valid reason for this, so make it consistent. This seems now safer than before