Does the ThunderX CP processor support AArch32?

It's my understanding that AArch64 is supposed to be backward compatible with AArch32, at least that is what the documentation says. But, I found one (1) page at https://en.wikichip.org/wiki/cavium/thunderx that says the ThunderX processors do not support AArch32. I can't find that anywhere other than that WikiChip page. I'm trying to move an assembly language course from Raspberry PI's to a dedicated server, but don't really want to have to completely redo the materials for AArch64, especially since I don't know of a current textbook with AArch64 support, either. Does someone definitively know if ThunderX supports AArch32 executables or not?

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