K 10
svn:author
V 6
mhorne
K 8
svn:date
V 27
2020-06-23T17:17:13.501841Z
K 7
svn:log
V 314
arch(7): small corrections for RISC-V

Document that RISC-V supports multiple page sizes: 4K, 2M, and 1G.

RISC-V's long double is always 128-bits wide, therefore quad precision.

Mention __riscv_float_abi_soft, which can be used to differentiate between
riscv64 and riscv64sf in userland code.

MFC after:	3 days

END