[frv sim] clip cut point for MWCUT

[Dave Brolley]

Yes. Please commit this patch.

Dave

DJ Delorie wrote:
> The MWCUT opcode only looks at the six LSBs of the cut point register.
> The frv.c code was looking at the whole register, resulting in
> incorrect cut results.  This patch clips the cut_point argument to six
> bits (0..63).  Ok to apply?
>
> 	* frv/frv.c (frvbf_cut): Only look at the six LSBs of
> 	cut_point.
>
> Index: frv.c
> ===================================================================
> RCS file: /cvs/src/src/sim/frv/frv.c,v
> retrieving revision 1.9
> diff -p -U3 -r1.9 frv.c
> --- frv.c	24 Aug 2007 14:28:36 -0000	1.9
> +++ frv.c	18 Dec 2007 21:42:50 -0000
> @@ -1055,6 +1055,7 @@ SI
>  frvbf_cut (SIM_CPU *current_cpu, SI reg1, SI reg2, SI cut_point)
>  {
>    SI result;
> +  cut_point &= 0x3f;
>    if (cut_point < 32)
>      {
>        result = reg1 << cut_point;
>