[PATCH, take 2]: Implement automatic MMX/x87 switching

[Richard Henderson]

On Mon, Jul 11, 2005 at 04:45:48PM +0200, Uros Bizjak wrote:
>   If no %mm register is used to pass parameters, but a %mm register is
> used for return value, input mode is also forced to MODE_MMX. This is
> used to prevent excessive switching in for loops.

Whether or not it creates "excessive switching", it's wrong,
because it changes the ABI.



r~