Subject: Re: -mno-fpu compiler flag
To: None <sigsegv@rambler.ru>
From: Eduardo Horvath <eeh@NetBSD.org>
List: port-sparc64
Date: 01/08/2005 15:43:38
On Sat, Jan 08, 2005 at 02:25:05PM +0000, sigsegv@rambler.ru wrote:
> I've noticed that during kernel compilation '-mno-fpu' flag is set. My
> Ultra10 has 440MHz UltraSparc IIi cpu, which I'm sure has a built-in
> FPU. Is it a good idea to tweak the Makefile to remove '-mno-fpu' so
> that native hardware floating point instructions are used or kernel does
> not use float and double datatypes?
No. The kernel should never use floating point. If it does then it is
an error.
Eduardo