[power-gnu-discuss] Support for the MPC5554 (e200z6 core)

[Nathan Froyd]

On Mon, Jun 01, 2009 at 11:25:13PM +0200, David Brown wrote:
> Does anyone know if current gcc versions support using spe instructions 
> for hardware floating point, or if there is likely to be any support 
> soon?  If I can't find a way to generate the spe instructions from gcc, 
> I'm going to have to recommend my customer buys Code Worrier...

GCC does support generating SPE instructions for hardware floating
point.  You need to compile with the "-te500v1" flag, which enables the
compiler to use single-precision floating-point SPE instructions.  You
should not use additional "-mcpu=" flags on the command-line along with
"-te500v1".

-Nathan