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Message-ID: <1460485510.52955.16.camel@freebsd.org>
Subject: Re: Float point in beaglebone
From: Ian Lepore <ian@freebsd.org>
To: =?ISO-8859-1?Q?Otac=EDlio?= <otacilio.neto@bsd.com.br>,
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Date: Tue, 12 Apr 2016 12:25:10 -0600
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On Tue, 2016-04-12 at 14:19 -0300, Otacílio wrote:
> Dears
> 
> Now, how is made the float point calculations in beaglebone using 
> freebsd, by software or by hardware?
> 

Hardware.  Armv6/v7 systems on freebsd 11 have always used floating
point hardware, but they pass arguments in the integer registers, which
costs a small bit of performance.  The upcoming change will switch to
passing arguments in floating point registers, but for most apps the
performance improvement will be small.

-- Ian