Why is -msoft-float used in Kernel compilation?

Michael Meissner meissner at cygnus.com
Sun Feb 14 03:19:36 EST 1999


On Sat, Feb 13, 1999 at 09:37:46AM -0500, Gavriel State wrote:
> 
> I can understand using -msoft-float if CONFIG__8xx is on,
> but why use it when compiling for 60x or 7x0 CPUs?

I would imagine to prevent the compiler from using the FPU to move 64-bit
aligned items via fp registers.

-- 
Michael Meissner, Cygnus Solutions (Massachusetts office)
4th floor, 955 Massachusetts Avenue, Cambridge, MA 02139, USA
meissner at cygnus.com,	617-354-5416 (office),	617-354-7161 (fax)

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