Using only 32bit fast_loop and mix (for 64bits of state) passes PractRand with 64bit output up to 256GB with only one unusual. That's about a 100 bit LCG equivalent?
I did have to alter the output to be "(GR * mix) + fast_loop" and change the rotation constants to be 12 and 5.
See https://www.pcg-random.org/posts/does-it-beat-the-minimal-st... for examples and constants