Re: Use of floating point in the kernel

[Andi Kleen]

Dave Jones <davej@xxxxxxxxxx> writes:

> On Wed, Jan 07, 2004 at 07:34:06PM -0800, H. Peter Anvin wrote:
>
>  > Has anyone considered asking the gcc people to add an -fno-fpu (or 
>  > -mno-fpu) option, throwing an error if any FP instructions are used?
>
> building with -msoft-float gets you this.

I think they will need an -fno-fpu option for the kernel at some point
anyways. As soon as gcc starts using SSE2 registers for integer
operations on SSE2 targets. My impression is that this point isn't
that far away anymore.

-Andi
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