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RE: [AArch64] Emit square root using the Newton series
- From: Evandro Menezes <e dot menezes at samsung dot com>
- To: 'Wilco Dijkstra' <Wilco dot Dijkstra at arm dot com>, 'GCC Patches' <gcc-patches at gcc dot gnu dot org>
- Cc: 'James Greenhalgh' <James dot Greenhalgh at arm dot com>, 'Andrew Pinski' <pinskia at gmail dot com>, philipp dot tomsich at theobroma-systems dot com, 'Benedikt Huber' <benedikt dot huber at theobroma-systems dot com>
- Date: Thu, 21 Apr 2016 13:44:26 -0500
- Subject: RE: [AArch64] Emit square root using the Newton series
- Authentication-results: sourceware.org; auth=none
- References: <56EB33E1 dot 5010101 at samsung dot com> <56F43BF2 dot 7020407 at samsung dot com> <56FEFA06 dot 2090301 at samsung dot com> <5702971D dot 8020008 at samsung dot com> <DB3PR08MB008902F0F0AFA3B1F1C91511839E0 at DB3PR08MB0089 dot eurprd08 dot prod dot outlook dot com> <57043C68 dot 20907 at samsung dot com> <570D3B1B dot 3070008 at samsung dot com>
> On 04/05/16 17:30, Evandro Menezes wrote:
> > On 04/05/16 13:37, Wilco Dijkstra wrote:
> >> I can't get any of these to work... Not only do I get a large number
> >> of collisions and duplicated code between these patches, when I try
> >> to resolve them, all I get is crashes whenever I try to use sqrt
> >> (even rsqrt stopped working). Do you have a patchset that applies
> >> cleanly so I can try all approximation routines?
> >
> > The original patches should be independent of each other, so indeed
> > they duplicate code.
> >
> > This patch suite should be suitable for testing.
>
> Ping^1
Ping^2
--
Evandro Menezes