Support for cl_khr_fp64 for CLVK?

Hi,
with some quick testing of some CL apps using latest CLVK binaries needing cl_khr_fp64, I have learned that clspv doesn't support FP64..
for example both clpeak and FAHBench have FP64 modes and dont' work in CLVK.. presumably as soon as clspv gained support clvk will also..
note FAHBench has issues running on even FP32 mode but clpeak works and would be nice to be able to see FP64 perf..
see CLVK issues if more info needed:
clpeak (https://github.com/krrishnarraj/clpeak): https://github.com/kpet/clvk/issues/293
FAHBench(from Folding@Home guys) (https://github.com/pandegroup/fahbench/releases/download/2.3.1/FAHBench-2.3.1-win64.zip): https://github.com/kpet/clvk/issues/297
thanks..