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Re: Improving math function wrappers

From: Joseph Myers <joseph at codesourcery dot com>
To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
Cc: Szabolcs Nagy <Szabolcs dot Nagy at arm dot com>, "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, nd <nd at arm dot com>
Date: Thu, 16 Mar 2017 14:41:10 +0000
Subject: Re: Improving math function wrappers
Authentication-results: sourceware.org; auth=none
References: <AM5PR0802MB2610AA7EDC518B39F6D7152683260@AM5PR0802MB2610.eurprd08.prod.outlook.com> <AM5PR0802MB261064538EBF55E8B7CF1F7783260@AM5PR0802MB2610.eurprd08.prod.outlook.com> <alpine.DEB.2.20.1703161407060.3566@digraph.polyomino.org.uk>

On Thu, 16 Mar 2017, Joseph Myers wrote:

> * The next step after that would be to ensure that the new wrappers are 
> used in static libm, and in shared libm when the minimum symbol version 
> postdates the making of _LIB_VERSION into a compat symbol.  New 
> architectures, and static libm would no longer have any __kernel_standard 
> code or code related to _LIB_VERSION / matherr.

Also note care would be needed about testing at this point, as you'd then 
have significantly different code used in static libm (not well tested) 
from shared libm.

-- 
Joseph S. Myers
joseph@codesourcery.com

References:
- Improving math function wrappers
  - From: Wilco Dijkstra
- Re: Improving math function wrappers
  - From: Joseph Myers

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