Re: [Qemu-devel] [PATCH] RFC: TCG constant propagation.

[Paul Brook]

On Thursday 23 July 2009, Laurent Desnogues wrote:
> On Thu, Jul 23, 2009 at 11:08 AM, Filip Navara<address@hidden> 
wrote:
> > Also it looks that the actual code size is worse for TCG ARM target
> > with this optimization. To mitigate it I propose the other attached
> > patch which uses the barrel shifter for more optimal generation of the
> > "movi" operation. I can't test it, so any help is welcome.
>
>    - the rotation amount is multiplied by 2 before being applied to the
>      8-bit immediate field.

This is compensated for by the later << 7

Paul