[PATCH] R600/SI: Misc fixes for special division instructions

[Matt Arsenault]

> On Feb 3, 2015, at 3:07 PM, Matt Arsenault <arsenm2 at gmail.com> wrote:
> 
> Hi,
> 
> These fix miscellaneous problems mostly related to VCC usage with v_div_scale and v_div_fmas instructions
> 
> 

Updated patches with some minor fixes. At some point src2 stopped being encoded for div_scale


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