Created attachment 76971 [details]
RADEON_DEBUG=fp,vp from vs-uniform-array-mat2-col-row-rd test

(In reply to comment #2)
> Created attachment 76967 [details] [review] [review]
> Possible fix
> 
> Please try the attached patch.

Yes, your patch fixes the vs-temp-array-mat* tests and vs-varying-array-mat*
tests. Still failing are some vs-uniform-array-mat* tests.
I'm attaching output from one of those...